/* ============================================================
   Kayou Global Consulting — Design Tokens
   ============================================================ */

:root {
  /* Color */
  --ink: #0B1626;         /* near-black navy — primary dark surface, deeper for gravitas */
  --ink-2: #16233A;       /* lighter navy for gradients/panels */
  --paper: #FAF8F3;       /* warm ivory — primary light surface */
  --paper-2: #F0EBDF;     /* slightly deeper warm surface */
  --slate: #5C6470;       /* secondary body text on light */
  --slate-on-dark: #A9B4C8; /* secondary text on dark */
  --brass: #A87C2E;       /* antique gold accent — CTAs, emphasis */
  --brass-light: #D9B36C;
  --teal: #1A4D47;        /* secondary accent — trust, compliance */
  --ink-text: #171B22;    /* near-black primary text on light */
  --line: rgba(23, 27, 34, 0.10);
  --line-on-dark: rgba(255, 255, 255, 0.12);
  --hairline-gold: rgba(168, 124, 46, 0.35);

  /* Type */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   Navigation
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: var(--container);
  margin: 0 auto;
}

.nav-mark {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.nav-mark span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--slate);
  font-weight: 400;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--ink-text);
  position: relative;
  padding: 4px 0;
}
.nav-links a.active { color: var(--ink); font-weight: 600; }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

/* Buttons inside the nav must win over the base nav link color rule */
.nav-links a.btn-primary { color: var(--paper); }
.nav-links a.btn-primary:hover { color: var(--ink); }
.nav-links a.btn-outline { color: var(--ink-text); }
.nav-links a.btn-outline.on-dark { color: var(--paper); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: 1px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--brass); color: var(--ink); }
.btn-outline {
  border-color: var(--line);
  color: var(--ink-text);
}
.btn-outline:hover { border-color: var(--ink); }
.btn-outline.on-dark {
  border-color: var(--line-on-dark);
  color: var(--paper);
}
.btn-outline.on-dark:hover { border-color: var(--brass-light); color: var(--brass-light); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  margin: 5px 0;
}

/* ============================================================
   Hero / reach map signature element
   ============================================================ */

.hero {
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
  padding: 120px 0 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  color: var(--paper);
  font-size: clamp(2.6rem, 4.8vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 26px 0 30px;
}
.hero h1 em {
  font-style: italic;
  color: var(--brass-light);
}

.hero p.lede {
  font-size: 1.1rem;
  color: var(--slate-on-dark);
  max-width: 46ch;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.reach-map {
  position: relative;
}

.reach-map svg { width: 100%; height: auto; }

.reach-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  fill: var(--slate-on-dark);
  letter-spacing: 0.04em;
}
.reach-city {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  fill: var(--paper);
  letter-spacing: 0.02em;
}
.reach-dot { fill: var(--brass-light); }
.reach-line {
  stroke: var(--brass-light);
  stroke-width: 1;
  fill: none;
  opacity: 0.55;
  stroke-dasharray: 3 4;
}
.graticule { stroke: var(--line-on-dark); stroke-width: 1; fill: none; }

/* ============================================================
   Section scaffolding
   ============================================================ */

section { padding: 108px 0; }
section.tight { padding: 76px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 60px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-top: 16px;
}
.section-head p {
  color: var(--slate);
  font-size: 1.02rem;
  margin-top: 16px;
}

.on-paper-2 { background: var(--paper-2); }
.on-ink { background: var(--ink); color: var(--paper); }
.on-ink h2, .on-ink h3, .on-ink h4 { color: var(--paper); }
.on-ink .section-head p { color: var(--slate-on-dark); }

/* Pillars / cards */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pillar {
  background: var(--paper);
  padding: 46px 38px;
  border-top: 2px solid transparent;
  transition: border-color 0.25s ease;
}
.pillar:hover { border-top-color: var(--brass); }
.pillar svg {
  margin-bottom: 18px;
}
.pillar .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brass);
  letter-spacing: 0.1em;
}
.pillar h3 {
  font-size: 1.32rem;
  margin: 20px 0 14px;
  letter-spacing: -0.01em;
}
.pillar p { color: var(--slate); font-size: 0.95rem; }
.pillar ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.pillar li {
  font-size: 0.88rem;
  color: var(--slate);
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.pillar li:first-child { border-top: none; }

/* Regions strip */
.regions {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding: 36px 0;
  border-top: 1px solid var(--line-on-dark);
  border-bottom: 1px solid var(--line-on-dark);
}
.region {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--slate-on-dark);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.region strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--paper);
  font-weight: 600;
  letter-spacing: 0;
}

/* Credential strip */
.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.credential {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border: 1px solid var(--hairline-gold);
  border-radius: 1px;
  color: var(--ink);
  background: rgba(168, 124, 46, 0.05);
}

/* Two column */
.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
}
.split.reverse { grid-template-columns: 1.15fr 0.85fr; }
.split img, .split .portrait { border-radius: 2px; }

.portrait {
  aspect-ratio: 4/5;
  background: linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 100%);
  position: relative;
  overflow: hidden;
}
.portrait .initials {
  position: absolute;
  bottom: 24px; left: 24px;
  font-family: var(--font-display);
  font-size: 3.4rem;
  color: rgba(247,245,240,0.92);
}
.portrait .grat {
  position: absolute; inset: 0; opacity: 0.35;
}

/* Quote / philosophy */
.pull-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  line-height: 1.45;
  color: var(--ink);
  max-width: 780px;
  position: relative;
  padding-left: 36px;
}
.pull-quote::before {
  content: '"';
  position: absolute;
  left: -8px;
  top: -18px;
  font-size: 4rem;
  color: var(--brass);
  font-style: normal;
  opacity: 0.5;
}
.pull-quote span { color: var(--brass); font-style: normal; }

/* Services list detail */
.service-detail {
  border-top: 1px solid var(--line);
  padding: 44px 0;
  display: grid;
  grid-template-columns: 0.9fr 2fr;
  gap: 40px;
}
.service-detail:last-child { border-bottom: 1px solid var(--line); }
.service-detail .tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}
.service-detail h3 { font-size: 1.4rem; margin-top: 12px; }
.service-detail-body p { color: var(--slate); margin: 0 0 16px; }
.service-detail-body ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.service-detail-body li {
  font-size: 0.9rem;
  color: var(--ink-text);
  padding-left: 18px;
  position: relative;
}
.service-detail-body li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 7px; height: 1px;
  background: var(--brass);
}

/* Process steps */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.process-step .step-index {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--brass);
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 16px;
}
.process-step h4 { font-size: 1.1rem; margin-bottom: 10px; }
.process-step p { color: var(--slate); font-size: 0.92rem; margin: 0; }

/* CTA band */
.cta-band {
  background: var(--teal);
  color: var(--paper);
  padding: 64px 0;
  text-align: center;
}
.cta-band h2 { color: var(--paper); font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta-band p { color: rgba(247,245,240,0.85); margin: 14px 0 30px; }
.cta-band .btn-primary { background: var(--brass); }
.cta-band .btn-primary:hover { background: var(--brass-light); color: var(--ink); }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.field {
  margin-bottom: 22px;
}
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 10px 2px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink-text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--brass);
}
.field textarea { resize: vertical; min-height: 110px; }

.contact-info dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
  margin-top: 28px;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd {
  margin: 8px 0 0;
  font-size: 1.02rem;
}
.hours-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
.hours-table td {
  padding: 6px 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--line);
  color: var(--slate);
}
.hours-table td:last-child { text-align: right; color: var(--ink-text); }

/* Newsletter */
.newsletter {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 56px 0;
}
.newsletter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.newsletter-copy { max-width: 460px; }
.newsletter-copy h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
}
.newsletter-copy p {
  color: var(--slate);
  margin-top: 10px;
  font-size: 0.95rem;
}
.newsletter-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
  max-width: 460px;
  min-width: 280px;
}
.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 2px;
}
.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--brass);
}
.newsletter-form button {
  white-space: nowrap;
}
.newsletter-note {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--slate);
  margin-top: 10px;
  width: 100%;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--slate-on-dark);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-on-dark);
}
.footer-mark {
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.2rem;
  margin-bottom: 14px;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 0.88rem;
  color: var(--slate-on-dark);
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--brass-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--slate-on-dark);
  flex-wrap: wrap;
  gap: 12px;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .split, .split.reverse { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail-body ul { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links { 
    position: fixed;
    top: 73px; left: 0; right: 0; bottom: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: block; }
  .regions { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}